Natural experiments from Earth Hour reveal urban night sky being drastically lit up by few decorative buildings

Abstract Light pollution, a typically underrecognized environmental issue, has gained attention in recent years. While controlling light pollution requires sustained efforts, Earth Hour offers a unique natural experimental setting to assess temporary lights-out measures. Using photometric and spectr...

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Bibliographic Details
Main Authors: Chu Wing So, Chun Shing Jason Pun, Shengjie Liu, Sze Leung Cheung, Ho Keung Kenneith Hui, Kelly Blumenthal, Constance Elaine Walker
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-025-05279-4
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